<正> This paper presents a novel ontology mapping approach based on rough set theory and instance selec-tion.In this approach the construction approach of a rou
<正> Based on statistical analysis on morphological data of nebkhas surveyed in the Hotan River Basin,Xinjiang, the changing regularity and characters of nebkha
<正> Differential modulation was widely used for wireless networks in which channel estimation was diffi-cult.Based on orthogonal design,a novel distributed dif